Dc Voltage / Current Sensor Abnormality (20/25/35/42 Class) - Daikin FTXS20G2V1B Service Manual

Troubleshooting
4.18 DC Voltage / Current Sensor Abnormality (20/25/35/42
Class)
H8
Remote Control
Display
Method of
DC voltage or DC current sensor abnormality is identified based on the compressor running
frequency and the input current.
Malfunction
Detection
„ The compressor running frequency is above 52 Hz.
Malfunction
„ If the error repeats 4 times, the system is shut down.
Decision
„ Reset condition: Continuous run for about 60 minutes without any other error
Conditions
„ Defective outdoor unit PCB
Supposed
Causes
Troubleshooting
Replace the outdoor unit PCB.
129
Be sure to turn off the power switch before connecting or disconnecting
Caution
connectors, or parts may be damaged.
SiENBE04-808_A
Service Diagnosis